| 三、性能特点 1. 铸铝合金壳体，表面静电喷塑。 2. 铸造成型，结构紧凑，外形美观。 3. 钢管或电缆布线 4. 在一个灯泡用坏后，自动切换到下一个。 5. 采用*化控制电路，*可靠的电器集成元件。环境亮度自动启闭，可靠性强即在夜晚和多雾时自动开启，白天自动关闭。 6. 符合GB3836-2000、IEC60079、GB12476.1-2000、IEC61241标准要求。 1. Diesasted aluminium alloy shell with plastic-sprayed surface. 2. Pressure-casted formation,compact structure and aesthetic appearance. 3. Suitable for steel pipe and wiring. 4. After one bulb failed, another one will auto take place the previous. 5. Using optimized control circuit and reliable integral elements, it can be self-on or-off with the ambient temperature, high reliability, I.e.:it can be on at nights and in fog, and be off in days automatically. 6. Suitable for GB3836-2000,IEC60079, GB12476.1-2000, IEC61241 standard request. 四、技术参数 | 
